The understanding of materials allows people to know the properties of the item being worked with, meaning we are now able to use materials in ways that were not thought possible.
Rapid advances in medical technology caused a shift in orthopedic treatment during the 20th century from the use of braces, splints, and other mechanical devices, to surgical procedures
one thing is modern technology
The study of changes to materials caused by light is known as photodegradation or photochemistry. This field explores how light can alter the properties and structure of materials over time.
The fall of the Roman Empire.
Foreign invaders
erosion
The changes in paper over time were mainly due to advancements in technology and materials used in papermaking. Additionally, evolving environmental concerns and regulations have also influenced the production of paper, leading to changes such as increased use of recycled materials and sustainable practices.
Political, economical, and geographical.
they wanted no keyboard and no more ideas
The flooding of the Nile
The difference in composition is what caused the Earth to develop layers as it cooled.!Differences in density caused earth to develop layers as it cooled.The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle.
The difference in composition is what caused the Earth to develop layers as it cooled.!Differences in density caused earth to develop layers as it cooled.The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle.